pgsql: Fix assorted inconsistencies.

Fix assorted inconsistencies.

There were a number of issues in the recent commits which include typos,
code and comments mismatch, leftover function declarations. Fix them.

Reported-by: Alexander Lakhin
Author: Alexander Lakhin, Amit Kapila and Amit Langote
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/ef0c0232-0c1d-3a35-63d4-0ebd06e31387@gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/92c4abc73693690ce9ff13ede160f0dcb0a2de7b

Modified Files
--------------
src/backend/access/common/reloptions.c | 3 ---
src/backend/access/heap/heapam.c | 15 +++------------
src/backend/access/heap/heapam_handler.c | 2 +-
src/backend/access/heap/rewriteheap.c | 2 +-
src/backend/access/transam/xact.c | 4 ++--
src/backend/access/transam/xlog.c | 2 --
src/backend/access/transam/xloginsert.c | 2 +-
src/backend/commands/copy.c | 1 -
src/backend/commands/tablecmds.c | 6 +++---
src/backend/executor/execTuples.c | 2 +-
src/backend/executor/nodeModifyTable.c | 4 +++-
src/backend/lib/integerset.c | 2 +-
src/backend/postmaster/postmaster.c | 2 +-
src/backend/storage/smgr/md.c | 2 +-
src/include/access/heapam.h | 2 --
src/include/access/tableam.h | 4 ++--
src/include/executor/executor.h | 1 -
src/include/storage/sync.h | 2 +-
src/test/modules/test_integerset/test_integerset.c | 2 +-
19 files changed, 22 insertions(+), 38 deletions(-)